Saint-Nazaire weather in September 2019

  • 21°C maximum daytime temperature in September in Saint-Nazaire21
    21°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in September in Saint-Nazaire13
    13 days with some rainfall
  • 12°C minimum night-time temperature in September in Saint-Nazaire12
    12°C min night temperature
  • 13 hours of daylight per day in September in Saint-Nazaire13
    13 hours of daylight per day
  • No heat & humidity in September in Saint-Nazaire0
    No heat & humidity
  • 66 mm monthly rainfall in September in Saint-Nazaire66
    66 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Saint-Nazaire5
    5 (Moderate) UV index
  • 17°C sea temperature in September in Saint-Nazaire17
    17°C sea temperature
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The September weather guide for Saint-Nazaire, France shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Saint-Nazaire weather in September

The average maximum daytime temperature in Saint-Nazaire in September is a comfortable 21°C (70°F). The average night-time temperature is usually a cool 12°C (54°F). There are usually 6 hours of bright sunshine each day, which represents 49% of the 13 hours of daylight.

Expect 66mm (2.6 inches) of rainfall across the whole of September with 13 days with some rain falling. Maximum UV levels will be moderate (5 UV index) at midday when the skies are clear.

The average sea temperature in and around Saint-Nazaire in September is 17°C (63°F).

Saint-Nazaire sunrise & sunset times for September 2019

Browse the sunrise & sunset times for Saint-Nazaire in September 2019. Select a month to view Saint-Nazaire sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2019 07:27 20:50
Sunday, 15th September 2019 07:46 20:22
Monday, 30th September 2019 08:06 19:51
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Below are average maximum temperatures at popular destinations in France in September. Select a destination to see more weather parameters.

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